CRYSTAL FORM OF TENOFOVIR PRODRUG, PREPARATION METHOD THEREOF, AND METHOD OF USE THEREOF
申请人:Jiangsu Hansoh Pharmaceutical Group Co., Ltd.
公开号:US20170204125A1
公开(公告)日:2017-07-20
A crystal form of 9-[(R)-2-[[(S)-[[[1-(isopropoxycarbonyl)-1-methyl]ethyl]amino]phenoxyphosphinyl]methoxyl]propyl]adenine fumarate of formula (I) is provided. Also provided is a preparation method and method of using the crystal form. Specifically, a crystal form of 9-[(R)-2-[[(S)-[[[1-(isopropoxycarbonyl)-1-methyl]ethyl]amino]phenoxyphosphinyl]methoxyl]propyl]adenine fumarate of formula (I) having an X-ray powder diffraction (XRPD) spectrum including diffraction peaks at 2θ±0.20° of 5.08, 12.44, 13.18, 22.37, 23.37 and 28.56 is provided. The crystal form provided herein has high bioavailability, significant efficacy, good stability, high yield and high purity, and contributes to the selection and design of a drug administration route and the determination of process parameters of a pharmaceutical preparation, thereby improving drug production quality.